We all know that a genuine numbers-matching '70 big-block Chevelle is worth beaucoup bucks, way more than you'd pay for Grandma's 6-banger Chevelle with a crate 502 dropped in. And some say that celebrity-owned cars have that extra something special that fattens the price. So, if L.A. rapper The Game's ex-Chevelle is a real factory SS, what's it really worth? [eBay Motors]